./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 14:18:31,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 14:18:31,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 14:18:31,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 14:18:31,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 14:18:31,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 14:18:31,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 14:18:31,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 14:18:31,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 14:18:31,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 14:18:31,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 14:18:31,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 14:18:31,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 14:18:31,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 14:18:31,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 14:18:31,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 14:18:31,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 14:18:31,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 14:18:31,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 14:18:31,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 14:18:31,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 14:18:31,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 14:18:31,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 14:18:31,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 14:18:31,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 14:18:31,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 14:18:31,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 14:18:31,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 14:18:31,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 14:18:31,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 14:18:31,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 14:18:31,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 14:18:31,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 14:18:31,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 14:18:31,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 14:18:31,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 14:18:31,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 14:18:31,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 14:18:31,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 14:18:31,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 14:18:31,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 14:18:31,699 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 14:18:31,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 14:18:31,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 14:18:31,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 14:18:31,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 14:18:31,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 14:18:31,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 14:18:31,756 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 14:18:31,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 14:18:31,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 14:18:31,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 14:18:31,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 14:18:31,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 14:18:31,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 14:18:31,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 14:18:31,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 14:18:31,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 14:18:31,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 14:18:31,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 14:18:31,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 14:18:31,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 14:18:31,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 14:18:31,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 14:18:31,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 14:18:31,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 14:18:31,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 14:18:31,759 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 14:18:31,759 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 14:18:31,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 14:18:31,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 14:18:31,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2021-11-02 14:18:31,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 14:18:32,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 14:18:32,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 14:18:32,021 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 14:18:32,023 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 14:18:32,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2021-11-02 14:18:32,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad75a4843/5be0c3a7fdfb43819e2bb76df652fb65/FLAG979ae22e9 [2021-11-02 14:18:32,815 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 14:18:32,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2021-11-02 14:18:32,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad75a4843/5be0c3a7fdfb43819e2bb76df652fb65/FLAG979ae22e9 [2021-11-02 14:18:33,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad75a4843/5be0c3a7fdfb43819e2bb76df652fb65 [2021-11-02 14:18:33,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 14:18:33,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 14:18:33,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 14:18:33,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 14:18:33,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 14:18:33,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:18:33" (1/1) ... [2021-11-02 14:18:33,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e33a20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:33, skipping insertion in model container [2021-11-02 14:18:33,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:18:33" (1/1) ... [2021-11-02 14:18:33,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 14:18:33,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 14:18:34,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2021-11-02 14:18:34,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 14:18:34,713 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 14:18:34,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2021-11-02 14:18:34,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 14:18:35,236 INFO L208 MainTranslator]: Completed translation [2021-11-02 14:18:35,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:35 WrapperNode [2021-11-02 14:18:35,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 14:18:35,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 14:18:35,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 14:18:35,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 14:18:35,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:35" (1/1) ... [2021-11-02 14:18:35,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:35" (1/1) ... [2021-11-02 14:18:35,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 14:18:35,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 14:18:35,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 14:18:35,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 14:18:35,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:35" (1/1) ... [2021-11-02 14:18:35,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:35" (1/1) ... [2021-11-02 14:18:35,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:35" (1/1) ... [2021-11-02 14:18:35,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:35" (1/1) ... [2021-11-02 14:18:35,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:35" (1/1) ... [2021-11-02 14:18:35,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:35" (1/1) ... [2021-11-02 14:18:35,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:35" (1/1) ... [2021-11-02 14:18:35,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 14:18:35,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 14:18:35,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 14:18:35,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 14:18:35,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:35" (1/1) ... [2021-11-02 14:18:35,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 14:18:35,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 14:18:35,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 14:18:35,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 14:18:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 14:18:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 14:18:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 14:18:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 14:18:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 14:18:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 14:18:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 14:18:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 14:18:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 14:18:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 14:18:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 14:18:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 14:18:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 14:18:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 14:18:35,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 14:18:36,462 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:18:36,486 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:18:36,521 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:18:36,522 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:18:36,525 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:18:36,527 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:18:36,565 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:18:37,816 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##644: assume !false; [2021-11-02 14:18:37,816 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##643: assume false; [2021-11-02 14:18:37,817 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##320: assume false; [2021-11-02 14:18:37,817 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume !false; [2021-11-02 14:18:37,817 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##375: assume !false; [2021-11-02 14:18:37,817 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##374: assume false; [2021-11-02 14:18:37,817 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##381: assume !false; [2021-11-02 14:18:37,817 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##380: assume false; [2021-11-02 14:18:37,817 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !false; [2021-11-02 14:18:37,818 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume false; [2021-11-02 14:18:37,818 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2021-11-02 14:18:37,818 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2021-11-02 14:18:37,818 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0.base, fst_ioctl_~#wrthdr~0.offset);havoc fst_ioctl_~#wrthdr~0.base, fst_ioctl_~#wrthdr~0.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0.base, fst_ioctl_~#info~0.offset);havoc fst_ioctl_~#info~0.base, fst_ioctl_~#info~0.offset; [2021-11-02 14:18:37,818 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-11-02 14:18:37,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 14:18:37,830 INFO L299 CfgBuilder]: Removed 929 assume(true) statements. [2021-11-02 14:18:37,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:18:37 BoogieIcfgContainer [2021-11-02 14:18:37,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 14:18:37,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 14:18:37,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 14:18:37,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 14:18:37,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 02:18:33" (1/3) ... [2021-11-02 14:18:37,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c47693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:18:37, skipping insertion in model container [2021-11-02 14:18:37,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:18:35" (2/3) ... [2021-11-02 14:18:37,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c47693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:18:37, skipping insertion in model container [2021-11-02 14:18:37,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:18:37" (3/3) ... [2021-11-02 14:18:37,840 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2021-11-02 14:18:37,845 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 14:18:37,845 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-02 14:18:37,886 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 14:18:37,892 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 14:18:37,892 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-02 14:18:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 828 states, 824 states have (on average 1.3361650485436893) internal successors, (1101), 827 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:18:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-02 14:18:37,922 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:18:37,923 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:18:37,923 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:18:37,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:18:37,928 INFO L85 PathProgramCache]: Analyzing trace with hash -113753420, now seen corresponding path program 1 times [2021-11-02 14:18:37,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:18:37,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399538446] [2021-11-02 14:18:37,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:18:37,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:18:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:18:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:18:38,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:18:38,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399538446] [2021-11-02 14:18:38,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399538446] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:18:38,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:18:38,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 14:18:38,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206269307] [2021-11-02 14:18:38,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 14:18:38,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:18:38,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 14:18:38,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:18:38,403 INFO L87 Difference]: Start difference. First operand has 828 states, 824 states have (on average 1.3361650485436893) internal successors, (1101), 827 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:18:42,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:18:42,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:18:42,935 INFO L93 Difference]: Finished difference Result 1653 states and 2199 transitions. [2021-11-02 14:18:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 14:18:42,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-02 14:18:42,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:18:42,952 INFO L225 Difference]: With dead ends: 1653 [2021-11-02 14:18:42,952 INFO L226 Difference]: Without dead ends: 826 [2021-11-02 14:18:42,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.00ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:18:42,960 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 2181 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3969.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.84ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2181 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4412.07ms IncrementalHoareTripleChecker+Time [2021-11-02 14:18:42,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 0 Invalid, 2182 Unknown, 0 Unchecked, 8.84ms Time], IncrementalHoareTripleChecker [0 Valid, 2181 Invalid, 1 Unknown, 0 Unchecked, 4412.07ms Time] [2021-11-02 14:18:42,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2021-11-02 14:18:43,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 825. [2021-11-02 14:18:43,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 822 states have (on average 1.3248175182481752) internal successors, (1089), 824 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:18:43,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1089 transitions. [2021-11-02 14:18:43,051 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1089 transitions. Word has length 12 [2021-11-02 14:18:43,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:18:43,052 INFO L470 AbstractCegarLoop]: Abstraction has 825 states and 1089 transitions. [2021-11-02 14:18:43,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:18:43,054 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1089 transitions. [2021-11-02 14:18:43,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-02 14:18:43,055 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:18:43,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:18:43,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 14:18:43,056 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:18:43,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:18:43,059 INFO L85 PathProgramCache]: Analyzing trace with hash -267009736, now seen corresponding path program 1 times [2021-11-02 14:18:43,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:18:43,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900270748] [2021-11-02 14:18:43,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:18:43,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:18:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:18:43,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:18:43,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:18:43,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900270748] [2021-11-02 14:18:43,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900270748] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 14:18:43,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836729580] [2021-11-02 14:18:43,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:18:43,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 14:18:43,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 14:18:43,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 14:18:43,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-02 14:18:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:18:43,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-02 14:18:43,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:18:43,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 14:18:43,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-02 14:18:43,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836729580] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:18:43,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-02 14:18:43,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-02 14:18:43,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410014117] [2021-11-02 14:18:43,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 14:18:43,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:18:43,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 14:18:43,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 14:18:43,718 INFO L87 Difference]: Start difference. First operand 825 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:18:47,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:18:47,017 INFO L93 Difference]: Finished difference Result 2447 states and 3236 transitions. [2021-11-02 14:18:47,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 14:18:47,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-02 14:18:47,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:18:47,025 INFO L225 Difference]: With dead ends: 2447 [2021-11-02 14:18:47,025 INFO L226 Difference]: Without dead ends: 1632 [2021-11-02 14:18:47,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.41ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 14:18:47,028 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1069 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 2163 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2677.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.54ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3171.32ms IncrementalHoareTripleChecker+Time [2021-11-02 14:18:47,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1069 Valid, 0 Invalid, 2165 Unknown, 0 Unchecked, 7.54ms Time], IncrementalHoareTripleChecker [2 Valid, 2163 Invalid, 0 Unknown, 0 Unchecked, 3171.32ms Time] [2021-11-02 14:18:47,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2021-11-02 14:18:47,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1628. [2021-11-02 14:18:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1628 states, 1625 states have (on average 1.323076923076923) internal successors, (2150), 1627 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:18:47,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2150 transitions. [2021-11-02 14:18:47,103 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 2150 transitions. Word has length 14 [2021-11-02 14:18:47,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:18:47,103 INFO L470 AbstractCegarLoop]: Abstraction has 1628 states and 2150 transitions. [2021-11-02 14:18:47,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:18:47,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2150 transitions. [2021-11-02 14:18:47,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-02 14:18:47,105 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:18:47,106 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:18:47,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-02 14:18:47,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 14:18:47,332 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:18:47,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:18:47,332 INFO L85 PathProgramCache]: Analyzing trace with hash -19483246, now seen corresponding path program 1 times [2021-11-02 14:18:47,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:18:47,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819169830] [2021-11-02 14:18:47,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:18:47,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:18:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:18:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:18:47,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:18:47,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819169830] [2021-11-02 14:18:47,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819169830] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 14:18:47,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949738813] [2021-11-02 14:18:47,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:18:47,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 14:18:47,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 14:18:47,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 14:18:47,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-02 14:18:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:18:47,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-02 14:18:47,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:18:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:18:47,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:18:48,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:18:48,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949738813] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-02 14:18:48,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-02 14:18:48,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-02 14:18:48,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381028521] [2021-11-02 14:18:48,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 14:18:48,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:18:48,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 14:18:48,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-02 14:18:48,045 INFO L87 Difference]: Start difference. First operand 1628 states and 2150 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:18:52,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:18:53,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:18:53,214 INFO L93 Difference]: Finished difference Result 3256 states and 4302 transitions. [2021-11-02 14:18:53,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 14:18:53,214 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-02 14:18:53,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:18:53,221 INFO L225 Difference]: With dead ends: 3256 [2021-11-02 14:18:53,222 INFO L226 Difference]: Without dead ends: 1634 [2021-11-02 14:18:53,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 16.61ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-02 14:18:53,226 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 3264 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4597.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.12ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5046.18ms IncrementalHoareTripleChecker+Time [2021-11-02 14:18:53,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 3268 Unknown, 0 Unchecked, 7.12ms Time], IncrementalHoareTripleChecker [4 Valid, 3264 Invalid, 0 Unknown, 0 Unchecked, 5046.18ms Time] [2021-11-02 14:18:53,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2021-11-02 14:18:53,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1634. [2021-11-02 14:18:53,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1631 states have (on average 1.3218884120171674) internal successors, (2156), 1633 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:18:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2156 transitions. [2021-11-02 14:18:53,268 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2156 transitions. Word has length 29 [2021-11-02 14:18:53,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:18:53,269 INFO L470 AbstractCegarLoop]: Abstraction has 1634 states and 2156 transitions. [2021-11-02 14:18:53,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:18:53,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2156 transitions. [2021-11-02 14:18:53,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-02 14:18:53,271 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:18:53,271 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:18:53,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-02 14:18:53,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-02 14:18:53,487 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:18:53,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:18:53,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1423485306, now seen corresponding path program 2 times [2021-11-02 14:18:53,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:18:53,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91446993] [2021-11-02 14:18:53,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:18:53,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:18:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:18:53,600 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-02 14:18:53,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:18:53,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91446993] [2021-11-02 14:18:53,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91446993] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:18:53,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:18:53,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 14:18:53,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526687512] [2021-11-02 14:18:53,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 14:18:53,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:18:53,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 14:18:53,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 14:18:53,603 INFO L87 Difference]: Start difference. First operand 1634 states and 2156 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:02,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:19:02,473 INFO L93 Difference]: Finished difference Result 5254 states and 6972 transitions. [2021-11-02 14:19:02,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 14:19:02,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-02 14:19:02,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:19:02,488 INFO L225 Difference]: With dead ends: 5254 [2021-11-02 14:19:02,488 INFO L226 Difference]: Without dead ends: 3638 [2021-11-02 14:19:02,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.60ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 14:19:02,493 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3741 mSDsluCounter, 5100 mSDsCounter, 0 mSdLazyCounter, 7136 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7545.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3741 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.15ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8600.34ms IncrementalHoareTripleChecker+Time [2021-11-02 14:19:02,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3741 Valid, 0 Invalid, 7138 Unknown, 0 Unchecked, 39.15ms Time], IncrementalHoareTripleChecker [2 Valid, 7136 Invalid, 0 Unknown, 0 Unchecked, 8600.34ms Time] [2021-11-02 14:19:02,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3638 states. [2021-11-02 14:19:02,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3638 to 1537. [2021-11-02 14:19:02,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1534 states have (on average 1.3252933507170794) internal successors, (2033), 1536 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:02,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2033 transitions. [2021-11-02 14:19:02,577 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2033 transitions. Word has length 35 [2021-11-02 14:19:02,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:19:02,577 INFO L470 AbstractCegarLoop]: Abstraction has 1537 states and 2033 transitions. [2021-11-02 14:19:02,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2033 transitions. [2021-11-02 14:19:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-02 14:19:02,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:19:02,579 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:19:02,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 14:19:02,580 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:19:02,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:19:02,580 INFO L85 PathProgramCache]: Analyzing trace with hash -868329814, now seen corresponding path program 1 times [2021-11-02 14:19:02,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:19:02,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275342228] [2021-11-02 14:19:02,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:19:02,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:19:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:19:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-02 14:19:02,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:19:02,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275342228] [2021-11-02 14:19:02,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275342228] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:19:02,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:19:02,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 14:19:02,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342614624] [2021-11-02 14:19:02,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 14:19:02,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:19:02,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 14:19:02,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 14:19:02,677 INFO L87 Difference]: Start difference. First operand 1537 states and 2033 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:09,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:19:09,923 INFO L93 Difference]: Finished difference Result 3057 states and 4049 transitions. [2021-11-02 14:19:09,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 14:19:09,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-02 14:19:09,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:19:09,932 INFO L225 Difference]: With dead ends: 3057 [2021-11-02 14:19:09,932 INFO L226 Difference]: Without dead ends: 2241 [2021-11-02 14:19:09,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.57ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 14:19:09,936 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3199 mSDsluCounter, 2865 mSDsCounter, 0 mSdLazyCounter, 4897 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6428.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.44ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7115.30ms IncrementalHoareTripleChecker+Time [2021-11-02 14:19:09,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3199 Valid, 0 Invalid, 4897 Unknown, 0 Unchecked, 9.44ms Time], IncrementalHoareTripleChecker [0 Valid, 4897 Invalid, 0 Unknown, 0 Unchecked, 7115.30ms Time] [2021-11-02 14:19:09,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2021-11-02 14:19:09,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 1537. [2021-11-02 14:19:09,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1534 states have (on average 1.3246414602346805) internal successors, (2032), 1536 states have internal predecessors, (2032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:09,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2032 transitions. [2021-11-02 14:19:09,981 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2032 transitions. Word has length 36 [2021-11-02 14:19:09,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:19:09,981 INFO L470 AbstractCegarLoop]: Abstraction has 1537 states and 2032 transitions. [2021-11-02 14:19:09,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2032 transitions. [2021-11-02 14:19:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-02 14:19:09,983 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:19:09,983 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:19:09,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 14:19:09,984 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:19:09,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:19:09,984 INFO L85 PathProgramCache]: Analyzing trace with hash -53474708, now seen corresponding path program 1 times [2021-11-02 14:19:09,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:19:09,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206600369] [2021-11-02 14:19:09,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:19:09,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:19:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:19:10,118 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-02 14:19:10,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:19:10,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206600369] [2021-11-02 14:19:10,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206600369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:19:10,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:19:10,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 14:19:10,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086715042] [2021-11-02 14:19:10,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 14:19:10,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:19:10,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 14:19:10,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 14:19:10,121 INFO L87 Difference]: Start difference. First operand 1537 states and 2032 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:14,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:19:14,477 INFO L93 Difference]: Finished difference Result 2353 states and 3108 transitions. [2021-11-02 14:19:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 14:19:14,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-02 14:19:14,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:19:14,484 INFO L225 Difference]: With dead ends: 2353 [2021-11-02 14:19:14,484 INFO L226 Difference]: Without dead ends: 2349 [2021-11-02 14:19:14,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.41ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 14:19:14,486 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1988 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 4183 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3694.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.91ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4250.34ms IncrementalHoareTripleChecker+Time [2021-11-02 14:19:14,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1988 Valid, 0 Invalid, 4187 Unknown, 0 Unchecked, 7.91ms Time], IncrementalHoareTripleChecker [4 Valid, 4183 Invalid, 0 Unknown, 0 Unchecked, 4250.34ms Time] [2021-11-02 14:19:14,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2021-11-02 14:19:14,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 2343. [2021-11-02 14:19:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2343 states, 2340 states have (on average 1.3247863247863247) internal successors, (3100), 2342 states have internal predecessors, (3100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:14,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 3100 transitions. [2021-11-02 14:19:14,545 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 3100 transitions. Word has length 37 [2021-11-02 14:19:14,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:19:14,545 INFO L470 AbstractCegarLoop]: Abstraction has 2343 states and 3100 transitions. [2021-11-02 14:19:14,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:14,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 3100 transitions. [2021-11-02 14:19:14,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-02 14:19:14,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:19:14,547 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:19:14,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 14:19:14,548 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:19:14,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:19:14,548 INFO L85 PathProgramCache]: Analyzing trace with hash -2138460241, now seen corresponding path program 1 times [2021-11-02 14:19:14,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:19:14,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867291877] [2021-11-02 14:19:14,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:19:14,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:19:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:19:14,708 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:19:14,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:19:14,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867291877] [2021-11-02 14:19:14,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867291877] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 14:19:14,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984467261] [2021-11-02 14:19:14,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:19:14,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 14:19:14,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 14:19:14,716 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 14:19:14,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-02 14:19:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:19:15,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 14:19:15,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:19:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:19:15,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:19:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:19:15,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984467261] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-02 14:19:15,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-02 14:19:15,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-02 14:19:15,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739271508] [2021-11-02 14:19:15,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-02 14:19:15,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:19:15,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-02 14:19:15,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-11-02 14:19:15,439 INFO L87 Difference]: Start difference. First operand 2343 states and 3100 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:19,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:19:19,080 INFO L93 Difference]: Finished difference Result 4686 states and 6205 transitions. [2021-11-02 14:19:19,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-02 14:19:19,081 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-02 14:19:19,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:19:19,090 INFO L225 Difference]: With dead ends: 4686 [2021-11-02 14:19:19,090 INFO L226 Difference]: Without dead ends: 2355 [2021-11-02 14:19:19,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 63.15ms TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-11-02 14:19:19,096 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 15 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 3276 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3101.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.76ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3541.22ms IncrementalHoareTripleChecker+Time [2021-11-02 14:19:19,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 0 Invalid, 3285 Unknown, 0 Unchecked, 3.76ms Time], IncrementalHoareTripleChecker [9 Valid, 3276 Invalid, 0 Unknown, 0 Unchecked, 3541.22ms Time] [2021-11-02 14:19:19,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2355 states. [2021-11-02 14:19:19,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2355 to 2355. [2021-11-02 14:19:19,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2355 states, 2352 states have (on average 1.3231292517006803) internal successors, (3112), 2354 states have internal predecessors, (3112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:19,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 3112 transitions. [2021-11-02 14:19:19,155 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 3112 transitions. Word has length 41 [2021-11-02 14:19:19,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:19:19,155 INFO L470 AbstractCegarLoop]: Abstraction has 2355 states and 3112 transitions. [2021-11-02 14:19:19,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:19,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3112 transitions. [2021-11-02 14:19:19,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-02 14:19:19,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:19:19,159 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:19:19,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-02 14:19:19,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 14:19:19,383 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:19:19,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:19:19,383 INFO L85 PathProgramCache]: Analyzing trace with hash 697978519, now seen corresponding path program 2 times [2021-11-02 14:19:19,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:19:19,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377095833] [2021-11-02 14:19:19,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:19:19,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:19:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:19:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:19:19,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:19:19,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377095833] [2021-11-02 14:19:19,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377095833] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 14:19:19,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753069908] [2021-11-02 14:19:19,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 14:19:19,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 14:19:19,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 14:19:19,599 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 14:19:19,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-02 14:19:20,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-02 14:19:20,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 14:19:20,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-02 14:19:20,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:19:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-02 14:19:20,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-02 14:19:20,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753069908] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:19:20,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-02 14:19:20,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2021-11-02 14:19:20,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510975735] [2021-11-02 14:19:20,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 14:19:20,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:19:20,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 14:19:20,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2021-11-02 14:19:20,960 INFO L87 Difference]: Start difference. First operand 2355 states and 3112 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:33,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:19:33,935 INFO L93 Difference]: Finished difference Result 6077 states and 8049 transitions. [2021-11-02 14:19:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 14:19:33,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-02 14:19:33,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:19:33,945 INFO L225 Difference]: With dead ends: 6077 [2021-11-02 14:19:33,945 INFO L226 Difference]: Without dead ends: 3752 [2021-11-02 14:19:33,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 139.39ms TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-11-02 14:19:33,952 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3216 mSDsluCounter, 5715 mSDsCounter, 0 mSdLazyCounter, 9728 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11280.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3216 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.34ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12633.21ms IncrementalHoareTripleChecker+Time [2021-11-02 14:19:33,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3216 Valid, 0 Invalid, 9734 Unknown, 0 Unchecked, 22.34ms Time], IncrementalHoareTripleChecker [6 Valid, 9728 Invalid, 0 Unknown, 0 Unchecked, 12633.21ms Time] [2021-11-02 14:19:33,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3752 states. [2021-11-02 14:19:34,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3752 to 3048. [2021-11-02 14:19:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3048 states, 3045 states have (on average 1.3228243021346469) internal successors, (4028), 3047 states have internal predecessors, (4028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:34,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 4028 transitions. [2021-11-02 14:19:34,062 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 4028 transitions. Word has length 53 [2021-11-02 14:19:34,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:19:34,063 INFO L470 AbstractCegarLoop]: Abstraction has 3048 states and 4028 transitions. [2021-11-02 14:19:34,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:34,063 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 4028 transitions. [2021-11-02 14:19:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-02 14:19:34,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:19:34,065 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:19:34,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-02 14:19:34,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 14:19:34,279 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:19:34,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:19:34,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2055400242, now seen corresponding path program 1 times [2021-11-02 14:19:34,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:19:34,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928545203] [2021-11-02 14:19:34,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:19:34,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:19:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:19:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-02 14:19:34,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:19:34,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928545203] [2021-11-02 14:19:34,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928545203] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:19:34,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:19:34,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 14:19:34,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995713660] [2021-11-02 14:19:34,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 14:19:34,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:19:34,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 14:19:34,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 14:19:34,375 INFO L87 Difference]: Start difference. First operand 3048 states and 4028 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:41,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:19:41,228 INFO L93 Difference]: Finished difference Result 11188 states and 14890 transitions. [2021-11-02 14:19:41,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 14:19:41,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-02 14:19:41,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:19:41,254 INFO L225 Difference]: With dead ends: 11188 [2021-11-02 14:19:41,255 INFO L226 Difference]: Without dead ends: 8170 [2021-11-02 14:19:41,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 15.37ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-02 14:19:41,262 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 2711 mSDsluCounter, 4597 mSDsCounter, 0 mSdLazyCounter, 5745 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5787.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2711 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.51ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 5745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6563.17ms IncrementalHoareTripleChecker+Time [2021-11-02 14:19:41,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2711 Valid, 0 Invalid, 5753 Unknown, 0 Unchecked, 10.51ms Time], IncrementalHoareTripleChecker [8 Valid, 5745 Invalid, 0 Unknown, 0 Unchecked, 6563.17ms Time] [2021-11-02 14:19:41,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8170 states. [2021-11-02 14:19:41,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8170 to 8128. [2021-11-02 14:19:41,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8128 states, 8125 states have (on average 1.3321846153846153) internal successors, (10824), 8127 states have internal predecessors, (10824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:41,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8128 states to 8128 states and 10824 transitions. [2021-11-02 14:19:41,610 INFO L78 Accepts]: Start accepts. Automaton has 8128 states and 10824 transitions. Word has length 54 [2021-11-02 14:19:41,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:19:41,611 INFO L470 AbstractCegarLoop]: Abstraction has 8128 states and 10824 transitions. [2021-11-02 14:19:41,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 8128 states and 10824 transitions. [2021-11-02 14:19:41,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-02 14:19:41,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:19:41,613 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:19:41,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-02 14:19:41,614 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:19:41,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:19:41,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1559690260, now seen corresponding path program 1 times [2021-11-02 14:19:41,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:19:41,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32634579] [2021-11-02 14:19:41,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:19:41,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:19:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:19:41,799 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:19:41,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:19:41,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32634579] [2021-11-02 14:19:41,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32634579] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 14:19:41,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274474195] [2021-11-02 14:19:41,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:19:41,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 14:19:41,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 14:19:41,804 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 14:19:41,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-02 14:19:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:19:42,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 1198 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-02 14:19:42,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:19:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:19:42,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:19:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:19:42,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274474195] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-02 14:19:42,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-02 14:19:42,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2021-11-02 14:19:42,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278848383] [2021-11-02 14:19:42,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-02 14:19:42,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:19:42,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-02 14:19:42,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2021-11-02 14:19:42,644 INFO L87 Difference]: Start difference. First operand 8128 states and 10824 transitions. Second operand has 25 states, 25 states have (on average 3.2) internal successors, (80), 25 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:46,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:19:47,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:19:47,006 INFO L93 Difference]: Finished difference Result 16256 states and 21659 transitions. [2021-11-02 14:19:47,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-02 14:19:47,007 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.2) internal successors, (80), 25 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-02 14:19:47,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:19:47,027 INFO L225 Difference]: With dead ends: 16256 [2021-11-02 14:19:47,028 INFO L226 Difference]: Without dead ends: 8152 [2021-11-02 14:19:47,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 229.58ms TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2021-11-02 14:19:47,040 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 33 mSDsluCounter, 2164 mSDsCounter, 0 mSdLazyCounter, 3295 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3666.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.71ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 3295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4078.47ms IncrementalHoareTripleChecker+Time [2021-11-02 14:19:47,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 0 Invalid, 3312 Unknown, 0 Unchecked, 3.71ms Time], IncrementalHoareTripleChecker [17 Valid, 3295 Invalid, 0 Unknown, 0 Unchecked, 4078.47ms Time] [2021-11-02 14:19:47,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8152 states. [2021-11-02 14:19:47,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8152 to 8152. [2021-11-02 14:19:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8152 states, 8149 states have (on average 1.3312062829795066) internal successors, (10848), 8151 states have internal predecessors, (10848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8152 states to 8152 states and 10848 transitions. [2021-11-02 14:19:47,355 INFO L78 Accepts]: Start accepts. Automaton has 8152 states and 10848 transitions. Word has length 55 [2021-11-02 14:19:47,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:19:47,355 INFO L470 AbstractCegarLoop]: Abstraction has 8152 states and 10848 transitions. [2021-11-02 14:19:47,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.2) internal successors, (80), 25 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:47,356 INFO L276 IsEmpty]: Start isEmpty. Operand 8152 states and 10848 transitions. [2021-11-02 14:19:47,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-02 14:19:47,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:19:47,358 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:19:47,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-02 14:19:47,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-02 14:19:47,580 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:19:47,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:19:47,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2036578748, now seen corresponding path program 2 times [2021-11-02 14:19:47,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:19:47,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033958484] [2021-11-02 14:19:47,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:19:47,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:19:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:19:47,961 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:19:47,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:19:47,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033958484] [2021-11-02 14:19:47,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033958484] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 14:19:47,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734399979] [2021-11-02 14:19:47,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 14:19:47,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 14:19:47,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 14:19:47,963 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 14:19:47,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-02 14:19:48,312 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-02 14:19:48,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 14:19:48,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-02 14:19:48,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:19:48,517 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2021-11-02 14:19:48,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-02 14:19:48,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734399979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:19:48,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-02 14:19:48,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [25] total 27 [2021-11-02 14:19:48,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414953087] [2021-11-02 14:19:48,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 14:19:48,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:19:48,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 14:19:48,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=398, Unknown=0, NotChecked=0, Total=702 [2021-11-02 14:19:48,519 INFO L87 Difference]: Start difference. First operand 8152 states and 10848 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:53,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:19:53,419 INFO L93 Difference]: Finished difference Result 16366 states and 21792 transitions. [2021-11-02 14:19:53,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 14:19:53,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-11-02 14:19:53,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:19:53,451 INFO L225 Difference]: With dead ends: 16366 [2021-11-02 14:19:53,451 INFO L226 Difference]: Without dead ends: 14278 [2021-11-02 14:19:53,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 243.01ms TimeCoverageRelationStatistics Valid=304, Invalid=398, Unknown=0, NotChecked=0, Total=702 [2021-11-02 14:19:53,460 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1981 mSDsluCounter, 2141 mSDsCounter, 0 mSdLazyCounter, 4179 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3960.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1981 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.36ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4511.77ms IncrementalHoareTripleChecker+Time [2021-11-02 14:19:53,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1981 Valid, 0 Invalid, 4183 Unknown, 0 Unchecked, 6.36ms Time], IncrementalHoareTripleChecker [4 Valid, 4179 Invalid, 0 Unknown, 0 Unchecked, 4511.77ms Time] [2021-11-02 14:19:53,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14278 states. [2021-11-02 14:19:53,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14278 to 14162. [2021-11-02 14:19:53,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14162 states, 14159 states have (on average 1.3323681050921676) internal successors, (18865), 14161 states have internal predecessors, (18865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14162 states to 14162 states and 18865 transitions. [2021-11-02 14:19:53,958 INFO L78 Accepts]: Start accepts. Automaton has 14162 states and 18865 transitions. Word has length 79 [2021-11-02 14:19:53,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:19:53,959 INFO L470 AbstractCegarLoop]: Abstraction has 14162 states and 18865 transitions. [2021-11-02 14:19:53,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 14162 states and 18865 transitions. [2021-11-02 14:19:53,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-02 14:19:53,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:19:53,961 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:19:53,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-02 14:19:54,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 14:19:54,188 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:19:54,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:19:54,188 INFO L85 PathProgramCache]: Analyzing trace with hash 439864920, now seen corresponding path program 1 times [2021-11-02 14:19:54,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:19:54,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355408470] [2021-11-02 14:19:54,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:19:54,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:19:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:19:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2021-11-02 14:19:54,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:19:54,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355408470] [2021-11-02 14:19:54,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355408470] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:19:54,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:19:54,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 14:19:54,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343271485] [2021-11-02 14:19:54,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 14:19:54,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:19:54,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 14:19:54,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 14:19:54,269 INFO L87 Difference]: Start difference. First operand 14162 states and 18865 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:59,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:19:59,244 INFO L93 Difference]: Finished difference Result 22970 states and 30600 transitions. [2021-11-02 14:19:59,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 14:19:59,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-11-02 14:19:59,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:19:59,296 INFO L225 Difference]: With dead ends: 22970 [2021-11-02 14:19:59,296 INFO L226 Difference]: Without dead ends: 22966 [2021-11-02 14:19:59,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.02ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 14:19:59,309 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 2003 mSDsluCounter, 2297 mSDsCounter, 0 mSdLazyCounter, 4462 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3785.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.45ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4370.98ms IncrementalHoareTripleChecker+Time [2021-11-02 14:19:59,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2003 Valid, 0 Invalid, 4462 Unknown, 0 Unchecked, 7.45ms Time], IncrementalHoareTripleChecker [0 Valid, 4462 Invalid, 0 Unknown, 0 Unchecked, 4370.98ms Time] [2021-11-02 14:19:59,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22966 states. [2021-11-02 14:19:59,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22966 to 14170. [2021-11-02 14:19:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14170 states, 14167 states have (on average 1.3321804192842521) internal successors, (18873), 14169 states have internal predecessors, (18873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14170 states to 14170 states and 18873 transitions. [2021-11-02 14:19:59,983 INFO L78 Accepts]: Start accepts. Automaton has 14170 states and 18873 transitions. Word has length 80 [2021-11-02 14:19:59,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:19:59,983 INFO L470 AbstractCegarLoop]: Abstraction has 14170 states and 18873 transitions. [2021-11-02 14:19:59,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:19:59,983 INFO L276 IsEmpty]: Start isEmpty. Operand 14170 states and 18873 transitions. [2021-11-02 14:19:59,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-02 14:19:59,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:19:59,986 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:19:59,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-02 14:19:59,986 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:19:59,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:19:59,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1272030004, now seen corresponding path program 1 times [2021-11-02 14:19:59,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:19:59,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420790705] [2021-11-02 14:19:59,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:19:59,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:20:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:20:00,182 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2021-11-02 14:20:00,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:20:00,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420790705] [2021-11-02 14:20:00,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420790705] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 14:20:00,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207179910] [2021-11-02 14:20:00,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:20:00,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 14:20:00,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 14:20:00,184 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 14:20:00,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-02 14:20:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:20:00,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-02 14:20:00,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:20:01,083 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 14:20:01,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:20:01,483 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 14:20:01,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207179910] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-02 14:20:01,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-02 14:20:01,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 25, 25] total 36 [2021-11-02 14:20:01,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873159407] [2021-11-02 14:20:01,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-02 14:20:01,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:20:01,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-02 14:20:01,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=565, Invalid=695, Unknown=0, NotChecked=0, Total=1260 [2021-11-02 14:20:01,487 INFO L87 Difference]: Start difference. First operand 14170 states and 18873 transitions. Second operand has 36 states, 36 states have (on average 3.888888888888889) internal successors, (140), 36 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:09,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:20:12,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:20:12,975 INFO L93 Difference]: Finished difference Result 22225 states and 29615 transitions. [2021-11-02 14:20:12,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-02 14:20:12,976 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.888888888888889) internal successors, (140), 36 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-02 14:20:12,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:20:12,987 INFO L225 Difference]: With dead ends: 22225 [2021-11-02 14:20:12,987 INFO L226 Difference]: Without dead ends: 6198 [2021-11-02 14:20:13,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 898.27ms TimeCoverageRelationStatistics Valid=1685, Invalid=2871, Unknown=0, NotChecked=0, Total=4556 [2021-11-02 14:20:13,011 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1921 mSDsluCounter, 7661 mSDsCounter, 0 mSdLazyCounter, 9690 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9604.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1921 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.96ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 9690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10604.36ms IncrementalHoareTripleChecker+Time [2021-11-02 14:20:13,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1921 Valid, 0 Invalid, 9698 Unknown, 0 Unchecked, 14.96ms Time], IncrementalHoareTripleChecker [8 Valid, 9690 Invalid, 0 Unknown, 0 Unchecked, 10604.36ms Time] [2021-11-02 14:20:13,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6198 states. [2021-11-02 14:20:13,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6198 to 4184. [2021-11-02 14:20:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4184 states, 4182 states have (on average 1.3230511716881874) internal successors, (5533), 4183 states have internal predecessors, (5533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4184 states to 4184 states and 5533 transitions. [2021-11-02 14:20:13,246 INFO L78 Accepts]: Start accepts. Automaton has 4184 states and 5533 transitions. Word has length 84 [2021-11-02 14:20:13,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:20:13,247 INFO L470 AbstractCegarLoop]: Abstraction has 4184 states and 5533 transitions. [2021-11-02 14:20:13,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.888888888888889) internal successors, (140), 36 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:13,247 INFO L276 IsEmpty]: Start isEmpty. Operand 4184 states and 5533 transitions. [2021-11-02 14:20:13,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-02 14:20:13,250 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:20:13,250 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:20:13,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-02 14:20:13,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 14:20:13,472 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:20:13,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:20:13,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2027704535, now seen corresponding path program 1 times [2021-11-02 14:20:13,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:20:13,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780258623] [2021-11-02 14:20:13,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:20:13,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:20:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:20:13,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-11-02 14:20:13,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:20:13,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780258623] [2021-11-02 14:20:13,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780258623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:20:13,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:20:13,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 14:20:13,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541404419] [2021-11-02 14:20:13,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 14:20:13,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:20:13,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 14:20:13,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 14:20:13,600 INFO L87 Difference]: Start difference. First operand 4184 states and 5533 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:17,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:20:17,530 INFO L93 Difference]: Finished difference Result 7605 states and 10074 transitions. [2021-11-02 14:20:17,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 14:20:17,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-11-02 14:20:17,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:20:17,536 INFO L225 Difference]: With dead ends: 7605 [2021-11-02 14:20:17,536 INFO L226 Difference]: Without dead ends: 3485 [2021-11-02 14:20:17,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.15ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 14:20:17,543 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1 mSDsluCounter, 2152 mSDsCounter, 0 mSdLazyCounter, 3239 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3319.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.82ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3741.97ms IncrementalHoareTripleChecker+Time [2021-11-02 14:20:17,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 0 Invalid, 3239 Unknown, 0 Unchecked, 3.82ms Time], IncrementalHoareTripleChecker [0 Valid, 3239 Invalid, 0 Unknown, 0 Unchecked, 3741.97ms Time] [2021-11-02 14:20:17,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3485 states. [2021-11-02 14:20:17,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3485 to 2846. [2021-11-02 14:20:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2846 states, 2844 states have (on average 1.319268635724332) internal successors, (3752), 2845 states have internal predecessors, (3752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:17,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3752 transitions. [2021-11-02 14:20:17,698 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3752 transitions. Word has length 111 [2021-11-02 14:20:17,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:20:17,698 INFO L470 AbstractCegarLoop]: Abstraction has 2846 states and 3752 transitions. [2021-11-02 14:20:17,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:17,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3752 transitions. [2021-11-02 14:20:17,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-02 14:20:17,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:20:17,701 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:20:17,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-02 14:20:17,701 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:20:17,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:20:17,702 INFO L85 PathProgramCache]: Analyzing trace with hash 52784407, now seen corresponding path program 1 times [2021-11-02 14:20:17,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:20:17,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949922233] [2021-11-02 14:20:17,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:20:17,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:20:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:20:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2021-11-02 14:20:17,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:20:17,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949922233] [2021-11-02 14:20:17,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949922233] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:20:17,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:20:17,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 14:20:17,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945786060] [2021-11-02 14:20:17,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 14:20:17,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:20:17,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 14:20:17,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:20:17,817 INFO L87 Difference]: Start difference. First operand 2846 states and 3752 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:20,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:20:20,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:20:20,492 INFO L93 Difference]: Finished difference Result 5606 states and 7409 transitions. [2021-11-02 14:20:20,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 14:20:20,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2021-11-02 14:20:20,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:20:20,495 INFO L225 Difference]: With dead ends: 5606 [2021-11-02 14:20:20,496 INFO L226 Difference]: Without dead ends: 2834 [2021-11-02 14:20:20,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.50ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:20:20,499 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1029 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2300.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.40ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2532.98ms IncrementalHoareTripleChecker+Time [2021-11-02 14:20:20,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1029 Valid, 0 Invalid, 1071 Unknown, 0 Unchecked, 1.40ms Time], IncrementalHoareTripleChecker [0 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 2532.98ms Time] [2021-11-02 14:20:20,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2021-11-02 14:20:20,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 2834. [2021-11-02 14:20:20,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2834 states, 2832 states have (on average 1.3163841807909604) internal successors, (3728), 2833 states have internal predecessors, (3728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2834 states and 3728 transitions. [2021-11-02 14:20:20,596 INFO L78 Accepts]: Start accepts. Automaton has 2834 states and 3728 transitions. Word has length 116 [2021-11-02 14:20:20,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:20:20,597 INFO L470 AbstractCegarLoop]: Abstraction has 2834 states and 3728 transitions. [2021-11-02 14:20:20,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:20,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3728 transitions. [2021-11-02 14:20:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-02 14:20:20,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:20:20,599 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:20:20,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-02 14:20:20,600 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:20:20,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:20:20,600 INFO L85 PathProgramCache]: Analyzing trace with hash -2031327311, now seen corresponding path program 1 times [2021-11-02 14:20:20,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:20:20,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108450418] [2021-11-02 14:20:20,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:20:20,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:20:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 14:20:20,991 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 14:20:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 14:20:21,466 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 14:20:21,466 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-02 14:20:21,467 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-02 14:20:21,471 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-02 14:20:21,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-02 14:20:21,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-02 14:20:21,475 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:20:21,478 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 14:20:21,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 02:20:21 BoogieIcfgContainer [2021-11-02 14:20:21,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 14:20:21,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 14:20:21,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 14:20:21,869 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 14:20:21,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:18:37" (3/4) ... [2021-11-02 14:20:21,872 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 14:20:21,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 14:20:21,872 INFO L158 Benchmark]: Toolchain (without parser) took 108774.39ms. Allocated memory was 81.8MB in the beginning and 794.8MB in the end (delta: 713.0MB). Free memory was 43.9MB in the beginning and 474.4MB in the end (delta: -430.5MB). Peak memory consumption was 282.2MB. Max. memory is 16.1GB. [2021-11-02 14:20:21,873 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-02 14:20:21,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2137.79ms. Allocated memory was 81.8MB in the beginning and 157.3MB in the end (delta: 75.5MB). Free memory was 43.7MB in the beginning and 76.8MB in the end (delta: -33.1MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2021-11-02 14:20:21,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 296.02ms. Allocated memory is still 157.3MB. Free memory was 76.8MB in the beginning and 85.9MB in the end (delta: -9.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-11-02 14:20:21,874 INFO L158 Benchmark]: Boogie Preprocessor took 212.57ms. Allocated memory is still 157.3MB. Free memory was 85.9MB in the beginning and 59.6MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-02 14:20:21,875 INFO L158 Benchmark]: RCFGBuilder took 2083.76ms. Allocated memory was 157.3MB in the beginning and 262.1MB in the end (delta: 104.9MB). Free memory was 59.6MB in the beginning and 157.8MB in the end (delta: -98.2MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. [2021-11-02 14:20:21,876 INFO L158 Benchmark]: TraceAbstraction took 104032.94ms. Allocated memory was 262.1MB in the beginning and 794.8MB in the end (delta: 532.7MB). Free memory was 156.8MB in the beginning and 475.4MB in the end (delta: -318.6MB). Peak memory consumption was 573.6MB. Max. memory is 16.1GB. [2021-11-02 14:20:21,876 INFO L158 Benchmark]: Witness Printer took 3.60ms. Allocated memory is still 794.8MB. Free memory was 475.4MB in the beginning and 474.4MB in the end (delta: 974.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-02 14:20:21,877 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2137.79ms. Allocated memory was 81.8MB in the beginning and 157.3MB in the end (delta: 75.5MB). Free memory was 43.7MB in the beginning and 76.8MB in the end (delta: -33.1MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 296.02ms. Allocated memory is still 157.3MB. Free memory was 76.8MB in the beginning and 85.9MB in the end (delta: -9.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 212.57ms. Allocated memory is still 157.3MB. Free memory was 85.9MB in the beginning and 59.6MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2083.76ms. Allocated memory was 157.3MB in the beginning and 262.1MB in the end (delta: 104.9MB). Free memory was 59.6MB in the beginning and 157.8MB in the end (delta: -98.2MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. * TraceAbstraction took 104032.94ms. Allocated memory was 262.1MB in the beginning and 794.8MB in the end (delta: 532.7MB). Free memory was 156.8MB in the beginning and 475.4MB in the end (delta: -318.6MB). Peak memory consumption was 573.6MB. Max. memory is 16.1GB. * Witness Printer took 3.60ms. Allocated memory is still 794.8MB. Free memory was 475.4MB in the beginning and 474.4MB in the end (delta: 974.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7949]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 7781, overapproximation of bitwiseOr at line 4779. Possible FailurePath: [L5238] static int fst_txq_low = 8; [L5239] static int fst_txq_high = 12; [L5240] static int fst_max_reads = 7; [L5241] static int fst_excluded_cards = 0; [L5242] static int fst_excluded_list[32U] ; [L5243-L5251] static struct pci_device_id const fst_pci_dev_id[8U] = { {5657U, 1024U, 4294967295U, 4294967295U, 0U, 0U, 1UL}, {5657U, 1088U, 4294967295U, 4294967295U, 0U, 0U, 2UL}, {5657U, 1552U, 4294967295U, 4294967295U, 0U, 0U, 3UL}, {5657U, 1568U, 4294967295U, 4294967295U, 0U, 0U, 4UL}, {5657U, 1600U, 4294967295U, 4294967295U, 0U, 0U, 5UL}, {5657U, 5648U, 4294967295U, 4294967295U, 0U, 0U, 6UL}, {5657U, 5650U, 4294967295U, 4294967295U, 0U, 0U, 6UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L5252] struct pci_device_id const __mod_pci_device_table ; [L5257] static struct tasklet_struct fst_tx_task = {(struct tasklet_struct *)0, 0UL, {0}, & fst_process_tx_work_q, 0UL}; [L5258] static struct tasklet_struct fst_int_task = {(struct tasklet_struct *)0, 0UL, {0}, & fst_process_int_work_q, 0UL}; [L5259] static struct fst_card_info *fst_card_array[32U] ; [L5260] static spinlock_t fst_work_q_lock ; [L5261] static u64 fst_work_txq ; [L5262] static u64 fst_work_intq ; [L7341-L7342] static char *type_strings[7U] = { (char *)"no hardware", (char *)"FarSync T2P", (char *)"FarSync T4P", (char *)"FarSync T1U", (char *)"FarSync T2U", (char *)"FarSync T4U", (char *)"FarSync TE1"}; [L7394-L7427] static struct net_device_ops const fst_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, & fst_open, & fst_close, & hdlc_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & fst_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, & hdlc_change_mtu, (int (*)(struct net_device * , struct neigh_parms * ))0, & fst_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L7745-L7759] static struct pci_driver fst_driver = {{(struct list_head *)0, (struct list_head *)0}, "fst", (struct pci_device_id const *)(& fst_pci_dev_id), & fst_add_one, & fst_remove_one, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * ))0, (int (*)(struct pci_dev * ))0, (void (*)(struct pci_dev * ))0, (struct pci_error_handlers *)0, {(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device * ))0, (int (*)(struct device * ))0, (void (*)(struct device * ))0, (int (*)(struct device * , pm_message_t ))0, (int (*)(struct device * ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}}; [L7800] int LDV_IN_INTERRUPT ; [L7953] int ldv_module_refcounter = 1; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, type_strings={37:0}] [L7802] struct net_device *var_group1 ; [L7803] int res_fst_open_36 ; [L7804] int res_fst_close_37 ; [L7805] struct ifreq *var_group2 ; [L7806] int var_fst_ioctl_33_p2 ; [L7807] struct pci_dev *var_group3 ; [L7808] struct pci_device_id const *var_fst_add_one_42_p1 ; [L7809] int res_fst_add_one_42 ; [L7810] int var_fst_intr_27_p0 ; [L7811] void *var_fst_intr_27_p1 ; [L7812] int ldv_s_fst_ops_net_device_ops ; [L7813] int ldv_s_fst_driver_pci_driver ; [L7814] int tmp ; [L7815] int tmp___0 ; [L7816] int tmp___1 ; [L7819] ldv_s_fst_ops_net_device_ops = 0 [L7820] ldv_s_fst_driver_pci_driver = 0 [L7821] LDV_IN_INTERRUPT = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7761] int i ; [L7762] struct lock_class_key __key ; [L7763] int tmp ; [L7765] i = 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND TRUE i <= 31 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7771] COND FALSE !(i <= 31) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L4600] return (& lock->ldv_6060.rlock); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7781] CALL, EXPR __pci_register_driver(& fst_driver, & __this_module, "farsync") [L8074] return __VERIFIER_nondet_int(); [L7781] tmp = __pci_register_driver(& fst_driver, & __this_module, "farsync") [L7783] return (tmp); [L7783] return (tmp); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7823] tmp = fst_init() [L7825] COND FALSE !(tmp != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7921] tmp___1 = __VERIFIER_nondet_int() [L7923] COND TRUE tmp___1 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7832] tmp___0 = __VERIFIER_nondet_int() [L7834] COND TRUE tmp___0 == 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7855] COND TRUE ldv_s_fst_ops_net_device_ops == 0 [L7167] int err ; [L7168] struct fst_port_info *port ; [L7169] struct hdlc_device *tmp ; [L7170] int tmp___0 ; [L5204] void *tmp ; [L5064] return ((void *)dev + 2560U); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L5207] tmp = netdev_priv((struct net_device const *)dev) [L5209] return ((struct hdlc_device *)tmp); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7173] tmp = dev_to_hdlc(dev) [L7174] EXPR tmp->priv [L7174] port = (struct fst_port_info *)tmp->priv [L8027] int tmp ; [L7965] int module_get_succeeded ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={37:0}] [L7967] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L8154] return __VERIFIER_nondet_int(); [L7969] module_get_succeeded = ldv_undefined_int() [L7971] COND TRUE module_get_succeeded == 1 [L7972] ldv_module_refcounter = ldv_module_refcounter + 1 [L7973] return (1); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L8030] tmp = ldv_try_module_get(module) [L8032] return (tmp); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7175] tmp___0 = ldv_try_module_get_1(& __this_module) [L7177] COND FALSE !(tmp___0 == 0) [L7181] EXPR port->mode VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7181] COND FALSE !(port->mode != 4) [L7102] int signals ; [L7103] int txq_length ; [L7104] unsigned int tmp ; [L7105] int tmp___0 ; [L7107] EXPR port->card [L7107] EXPR (port->card)->state VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7107] COND FALSE !((port->card)->state == 4U) [L5137] struct netdev_queue *tmp ; [L5058] EXPR dev->_tx [L5058] return ((struct netdev_queue *)dev->_tx + (unsigned long )index); [L5140] tmp = netdev_get_tx_queue((struct net_device const *)dev, 0U) [L5111] int tmp ; [L5112] int tmp___0 ; [L8174] return __VERIFIER_nondet_int(); [L5115] tmp = netpoll_trap() [L5117] COND TRUE tmp != 0 [L7198] return (0); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7857] res_fst_open_36 = fst_open(var_group1) [L7860] COND FALSE !(res_fst_open_36 < 0) [L7864] ldv_s_fst_ops_net_device_ops = ldv_s_fst_ops_net_device_ops + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7921] tmp___1 = __VERIFIER_nondet_int() [L7923] COND TRUE tmp___1 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7832] tmp___0 = __VERIFIER_nondet_int() [L7834] COND FALSE !(tmp___0 == 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7837] COND FALSE !(tmp___0 == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7840] COND FALSE !(tmp___0 == 2) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7843] COND FALSE !(tmp___0 == 3) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7846] COND TRUE tmp___0 == 4 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7893] COND TRUE ldv_s_fst_driver_pci_driver == 0 [L7429] int no_of_cards_added ; [L7430] struct fst_card_info *card ; [L7431] int err ; [L7432] int i ; [L7433] bool __print_once ; [L7434] void *tmp ; [L7435] char *tmp___0 ; [L7436] void *tmp___1 ; [L7437] char *tmp___2 ; [L7438] void *tmp___3 ; [L7439] int tmp___4 ; [L7440] int tmp___5 ; [L7441] struct lock_class_key __key ; [L7442] struct net_device *dev ; [L7443] struct net_device *tmp___6 ; [L7444] hdlc_device *hdlc ; [L7445] int tmp___7 ; [L7446] struct hdlc_device *tmp___8 ; [L7447] int tmp___9 ; [L7449] no_of_cards_added = 0 [L7450] err = 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7451] COND FALSE !(! __print_once) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7458] COND FALSE !(fst_excluded_cards != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L4776] void *tmp ; [L4766] void *tmp___2 ; [L8061] COND TRUE __VERIFIER_nondet_bool() [L8061] return 0; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L8067] return ldv_malloc(arg0); [L4769] tmp___2 = __kmalloc(size, flags) [L4771] return (tmp___2); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L4779] tmp = kmalloc(size, flags | 32768U) [L4781] return (tmp); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7480] tmp = kzalloc(1000UL, 208U) [L7481] card = (struct fst_card_info *)tmp VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7483] COND TRUE (unsigned long )card == (unsigned long )((struct fst_card_info *)0) [L7487] return (-12); [L7487] return (-12); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7895] res_fst_add_one_42 = fst_add_one(var_group3, var_fst_add_one_42_p1) [L7898] COND TRUE res_fst_add_one_42 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L8017] COND TRUE ldv_module_refcounter != 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] [L7949] reach_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-105:106}, fst_card_array={77:0}, fst_driver={73:0}, fst_excluded_cards=0, fst_excluded_list={10:0}, fst_int_task={35:0}, fst_max_reads=7, fst_ops={92:0}, fst_pci_dev_id={51:0}, fst_tx_task={69:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={19:0}, fst_work_q_lock={33:0}, fst_work_txq={97:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={37:0}] - UnprovableResult [Line: 7949]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 7949]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 828 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 103591.35ms, OverallIterations: 16, TraceHistogramMax: 32, PathProgramHistogramMax: 2, EmptinessCheckTime: 37.48ms, AutomataDifference: 89693.40ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 18.67ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 22912 SdHoareTripleChecker+Valid, 85173.68ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22912 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 75720.70ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43323 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68509 IncrementalHoareTripleChecker+Invalid, 68574 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 0 mSDtfsCounter, 68509 mSolverCounterSat, 154.33ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 704 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 1675.05ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=14170occurred in iteration=12, InterpolantAutomatonStates: 128, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 2861.26ms AutomataMinimizationTime, 15 MinimizatonAttempts, 15127 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 360.38ms SsaConstructionTime, 2727.33ms SatisfiabilityAnalysisTime, 3661.87ms InterpolantComputationTime, 1311 NumberOfCodeBlocks, 1247 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1374 ConstructedInterpolants, 0 QuantifiedInterpolants, 2673 SizeOfPredicates, 18 NumberOfNonLiveVariables, 8060 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 26 InterpolantComputations, 11 PerfectInterpolantSequences, 3761/5667 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-02 14:20:21,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 14:20:23,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 14:20:23,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 14:20:23,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 14:20:23,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 14:20:23,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 14:20:23,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 14:20:23,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 14:20:23,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 14:20:23,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 14:20:23,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 14:20:23,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 14:20:23,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 14:20:23,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 14:20:23,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 14:20:23,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 14:20:23,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 14:20:23,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 14:20:23,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 14:20:23,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 14:20:23,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 14:20:23,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 14:20:23,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 14:20:23,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 14:20:23,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 14:20:23,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 14:20:23,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 14:20:23,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 14:20:23,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 14:20:23,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 14:20:23,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 14:20:23,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 14:20:23,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 14:20:23,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 14:20:23,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 14:20:23,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 14:20:23,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 14:20:23,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 14:20:23,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 14:20:23,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 14:20:23,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 14:20:23,971 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-02 14:20:24,005 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 14:20:24,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 14:20:24,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 14:20:24,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 14:20:24,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 14:20:24,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 14:20:24,009 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 14:20:24,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 14:20:24,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 14:20:24,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 14:20:24,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 14:20:24,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 14:20:24,010 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-02 14:20:24,010 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-02 14:20:24,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 14:20:24,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 14:20:24,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 14:20:24,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 14:20:24,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 14:20:24,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 14:20:24,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 14:20:24,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 14:20:24,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 14:20:24,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 14:20:24,012 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-02 14:20:24,012 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-02 14:20:24,012 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 14:20:24,012 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 14:20:24,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 14:20:24,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 14:20:24,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-02 14:20:24,013 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2021-11-02 14:20:24,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 14:20:24,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 14:20:24,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 14:20:24,352 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 14:20:24,353 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 14:20:24,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2021-11-02 14:20:24,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0ac44bd/b4ed10f3b10745f7bdf1f821180dd083/FLAG3c694bd15 [2021-11-02 14:20:25,215 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 14:20:25,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2021-11-02 14:20:25,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0ac44bd/b4ed10f3b10745f7bdf1f821180dd083/FLAG3c694bd15 [2021-11-02 14:20:25,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0ac44bd/b4ed10f3b10745f7bdf1f821180dd083 [2021-11-02 14:20:25,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 14:20:25,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 14:20:25,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 14:20:25,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 14:20:25,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 14:20:25,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:20:25" (1/1) ... [2021-11-02 14:20:25,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152ee920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:25, skipping insertion in model container [2021-11-02 14:20:25,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:20:25" (1/1) ... [2021-11-02 14:20:25,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 14:20:25,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 14:20:27,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2021-11-02 14:20:27,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 14:20:27,362 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 14:20:27,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2021-11-02 14:20:27,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 14:20:27,918 INFO L208 MainTranslator]: Completed translation [2021-11-02 14:20:27,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:27 WrapperNode [2021-11-02 14:20:27,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 14:20:27,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 14:20:27,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 14:20:27,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 14:20:27,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:27" (1/1) ... [2021-11-02 14:20:28,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:27" (1/1) ... [2021-11-02 14:20:28,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 14:20:28,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 14:20:28,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 14:20:28,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 14:20:28,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:27" (1/1) ... [2021-11-02 14:20:28,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:27" (1/1) ... [2021-11-02 14:20:28,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:27" (1/1) ... [2021-11-02 14:20:28,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:27" (1/1) ... [2021-11-02 14:20:28,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:27" (1/1) ... [2021-11-02 14:20:28,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:27" (1/1) ... [2021-11-02 14:20:28,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:27" (1/1) ... [2021-11-02 14:20:28,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 14:20:28,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 14:20:28,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 14:20:28,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 14:20:28,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:27" (1/1) ... [2021-11-02 14:20:28,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 14:20:28,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 14:20:28,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 14:20:28,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 14:20:28,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-02 14:20:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-02 14:20:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-02 14:20:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 14:20:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-02 14:20:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 14:20:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 14:20:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 14:20:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-02 14:20:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-02 14:20:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-02 14:20:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 14:20:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-02 14:20:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 14:20:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-02 14:20:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-02 14:20:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-02 14:20:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-02 14:20:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-02 14:20:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-02 14:20:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-02 14:20:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 14:20:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 14:20:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-02 14:20:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-02 14:20:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-02 14:20:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-02 14:20:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 14:20:28,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 14:20:29,220 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:20:29,281 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:20:29,290 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:20:29,291 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:20:29,292 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:20:29,293 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:20:29,321 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:20:30,678 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##644: assume !false; [2021-11-02 14:20:30,678 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##643: assume false; [2021-11-02 14:20:30,678 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##320: assume false; [2021-11-02 14:20:30,678 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume !false; [2021-11-02 14:20:30,679 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##375: assume !false; [2021-11-02 14:20:30,679 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##374: assume false; [2021-11-02 14:20:30,679 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##381: assume !false; [2021-11-02 14:20:30,679 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##380: assume false; [2021-11-02 14:20:30,679 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !false; [2021-11-02 14:20:30,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume false; [2021-11-02 14:20:30,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2021-11-02 14:20:30,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2021-11-02 14:20:30,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0.base, fst_ioctl_~#wrthdr~0.offset);havoc fst_ioctl_~#wrthdr~0.base, fst_ioctl_~#wrthdr~0.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0.base, fst_ioctl_~#info~0.offset);havoc fst_ioctl_~#info~0.base, fst_ioctl_~#info~0.offset; [2021-11-02 14:20:30,680 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-11-02 14:20:30,696 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 14:20:30,697 INFO L299 CfgBuilder]: Removed 929 assume(true) statements. [2021-11-02 14:20:30,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:20:30 BoogieIcfgContainer [2021-11-02 14:20:30,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 14:20:30,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 14:20:30,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 14:20:30,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 14:20:30,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 02:20:25" (1/3) ... [2021-11-02 14:20:30,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee16203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:20:30, skipping insertion in model container [2021-11-02 14:20:30,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:20:27" (2/3) ... [2021-11-02 14:20:30,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee16203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:20:30, skipping insertion in model container [2021-11-02 14:20:30,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:20:30" (3/3) ... [2021-11-02 14:20:30,708 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2021-11-02 14:20:30,713 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 14:20:30,713 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-02 14:20:30,766 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 14:20:30,773 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 14:20:30,773 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-02 14:20:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 828 states, 824 states have (on average 1.3361650485436893) internal successors, (1101), 827 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-02 14:20:30,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:20:30,808 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:20:30,809 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:20:30,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:20:30,817 INFO L85 PathProgramCache]: Analyzing trace with hash -113753420, now seen corresponding path program 1 times [2021-11-02 14:20:30,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 14:20:30,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791656565] [2021-11-02 14:20:30,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:20:30,831 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 14:20:30,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 14:20:30,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 14:20:30,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-02 14:20:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:20:31,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 14:20:31,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:20:31,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:20:31,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:20:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:20:31,782 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 14:20:31,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791656565] [2021-11-02 14:20:31,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791656565] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 14:20:31,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:20:31,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-02 14:20:31,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841201311] [2021-11-02 14:20:31,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 14:20:31,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 14:20:31,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 14:20:31,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 14:20:31,813 INFO L87 Difference]: Start difference. First operand has 828 states, 824 states have (on average 1.3361650485436893) internal successors, (1101), 827 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:33,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:20:37,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:20:39,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:20:48,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:20:49,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:20:49,676 INFO L93 Difference]: Finished difference Result 1654 states and 2201 transitions. [2021-11-02 14:20:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 14:20:49,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-02 14:20:49,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:20:49,697 INFO L225 Difference]: With dead ends: 1654 [2021-11-02 14:20:49,697 INFO L226 Difference]: Without dead ends: 827 [2021-11-02 14:20:49,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.14ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 14:20:49,707 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 2180 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16562.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.87ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2180 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17638.13ms IncrementalHoareTripleChecker+Time [2021-11-02 14:20:49,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 2184 Unknown, 0 Unchecked, 21.87ms Time], IncrementalHoareTripleChecker [2 Valid, 2180 Invalid, 2 Unknown, 0 Unchecked, 17638.13ms Time] [2021-11-02 14:20:49,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2021-11-02 14:20:49,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 827. [2021-11-02 14:20:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 824 states have (on average 1.3240291262135921) internal successors, (1091), 826 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:49,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1091 transitions. [2021-11-02 14:20:49,788 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1091 transitions. Word has length 12 [2021-11-02 14:20:49,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:20:49,789 INFO L470 AbstractCegarLoop]: Abstraction has 827 states and 1091 transitions. [2021-11-02 14:20:49,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:49,789 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1091 transitions. [2021-11-02 14:20:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-02 14:20:49,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:20:49,790 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:20:49,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-02 14:20:50,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 14:20:50,006 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:20:50,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:20:50,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1517441348, now seen corresponding path program 1 times [2021-11-02 14:20:50,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 14:20:50,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116134246] [2021-11-02 14:20:50,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:20:50,009 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 14:20:50,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 14:20:50,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 14:20:50,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-02 14:20:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:20:50,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 14:20:50,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:20:50,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:20:50,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:20:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:20:50,927 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 14:20:50,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116134246] [2021-11-02 14:20:50,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [116134246] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-02 14:20:50,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 14:20:50,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-02 14:20:50,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135463040] [2021-11-02 14:20:50,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-02 14:20:50,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 14:20:50,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 14:20:50,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-02 14:20:50,930 INFO L87 Difference]: Start difference. First operand 827 states and 1091 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:20:53,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:21:01,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:21:13,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:21:24,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:21:27,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:21:27,552 INFO L93 Difference]: Finished difference Result 1654 states and 2185 transitions. [2021-11-02 14:21:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 14:21:27,553 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-02 14:21:27,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:21:27,558 INFO L225 Difference]: With dead ends: 1654 [2021-11-02 14:21:27,558 INFO L226 Difference]: Without dead ends: 835 [2021-11-02 14:21:27,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 135.65ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-02 14:21:27,561 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 5405 mSDsCounter, 0 mSdLazyCounter, 6519 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33692.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 49.49ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6519 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36269.39ms IncrementalHoareTripleChecker+Time [2021-11-02 14:21:27,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 6528 Unknown, 0 Unchecked, 49.49ms Time], IncrementalHoareTripleChecker [6 Valid, 6519 Invalid, 3 Unknown, 0 Unchecked, 36269.39ms Time] [2021-11-02 14:21:27,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2021-11-02 14:21:27,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2021-11-02 14:21:27,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 832 states have (on average 1.3209134615384615) internal successors, (1099), 834 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:21:27,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1099 transitions. [2021-11-02 14:21:27,593 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1099 transitions. Word has length 16 [2021-11-02 14:21:27,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:21:27,593 INFO L470 AbstractCegarLoop]: Abstraction has 835 states and 1099 transitions. [2021-11-02 14:21:27,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:21:27,594 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1099 transitions. [2021-11-02 14:21:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-02 14:21:27,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:21:27,594 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:21:27,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-02 14:21:27,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 14:21:27,808 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:21:27,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:21:27,808 INFO L85 PathProgramCache]: Analyzing trace with hash 436910796, now seen corresponding path program 2 times [2021-11-02 14:21:27,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 14:21:27,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412761281] [2021-11-02 14:21:27,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 14:21:27,809 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 14:21:27,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 14:21:27,811 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 14:21:27,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-02 14:21:28,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-02 14:21:28,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 14:21:28,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 14:21:28,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:21:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-02 14:21:28,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:21:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-02 14:21:28,790 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 14:21:28,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412761281] [2021-11-02 14:21:28,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412761281] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 14:21:28,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:21:28,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-02 14:21:28,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873630172] [2021-11-02 14:21:28,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 14:21:28,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 14:21:28,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 14:21:28,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:21:28,792 INFO L87 Difference]: Start difference. First operand 835 states and 1099 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:21:30,867 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:21:34,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:21:41,340 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:21:47,761 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:21:50,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:21:50,024 INFO L93 Difference]: Finished difference Result 2457 states and 3246 transitions. [2021-11-02 14:21:50,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 14:21:50,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-02 14:21:50,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:21:50,031 INFO L225 Difference]: With dead ends: 2457 [2021-11-02 14:21:50,031 INFO L226 Difference]: Without dead ends: 1642 [2021-11-02 14:21:50,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.98ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:21:50,034 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1068 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 2159 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19286.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.51ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2159 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20920.87ms IncrementalHoareTripleChecker+Time [2021-11-02 14:21:50,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1068 Valid, 0 Invalid, 2164 Unknown, 0 Unchecked, 15.51ms Time], IncrementalHoareTripleChecker [2 Valid, 2159 Invalid, 3 Unknown, 0 Unchecked, 20920.87ms Time] [2021-11-02 14:21:50,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2021-11-02 14:21:50,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1636. [2021-11-02 14:21:50,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1633 states have (on average 1.3214941824862216) internal successors, (2158), 1635 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:21:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2158 transitions. [2021-11-02 14:21:50,090 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2158 transitions. Word has length 24 [2021-11-02 14:21:50,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:21:50,091 INFO L470 AbstractCegarLoop]: Abstraction has 1636 states and 2158 transitions. [2021-11-02 14:21:50,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:21:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2158 transitions. [2021-11-02 14:21:50,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-02 14:21:50,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:21:50,093 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:21:50,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-02 14:21:50,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 14:21:50,313 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:21:50,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:21:50,313 INFO L85 PathProgramCache]: Analyzing trace with hash 2005197182, now seen corresponding path program 1 times [2021-11-02 14:21:50,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 14:21:50,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886592503] [2021-11-02 14:21:50,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:21:50,314 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 14:21:50,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 14:21:50,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 14:21:50,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-02 14:21:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:21:51,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-02 14:21:51,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:21:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:21:51,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:21:51,866 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:21:51,867 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 14:21:51,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886592503] [2021-11-02 14:21:51,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886592503] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-02 14:21:51,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 14:21:51,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-02 14:21:51,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157019690] [2021-11-02 14:21:51,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-02 14:21:51,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 14:21:51,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-02 14:21:51,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-11-02 14:21:51,870 INFO L87 Difference]: Start difference. First operand 1636 states and 2158 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:21:53,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:22:04,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:22:05,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:22:08,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:22:10,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:22:17,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:22:19,774 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:22:34,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:22:46,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:22:50,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:22:50,652 INFO L93 Difference]: Finished difference Result 3272 states and 4323 transitions. [2021-11-02 14:22:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-02 14:22:50,653 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-02 14:22:50,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:22:50,659 INFO L225 Difference]: With dead ends: 3272 [2021-11-02 14:22:50,659 INFO L226 Difference]: Without dead ends: 1652 [2021-11-02 14:22:50,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 807.73ms TimeCoverageRelationStatistics Valid=174, Invalid=288, Unknown=0, NotChecked=0, Total=462 [2021-11-02 14:22:50,663 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 14 mSDsluCounter, 7567 mSDsCounter, 0 mSdLazyCounter, 8773 mSolverCounterSat, 14 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54084.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.27ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 8773 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58036.13ms IncrementalHoareTripleChecker+Time [2021-11-02 14:22:50,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 0 Invalid, 8791 Unknown, 0 Unchecked, 45.27ms Time], IncrementalHoareTripleChecker [14 Valid, 8773 Invalid, 4 Unknown, 0 Unchecked, 58036.13ms Time] [2021-11-02 14:22:50,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2021-11-02 14:22:50,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1652. [2021-11-02 14:22:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 1649 states have (on average 1.3183747725894481) internal successors, (2174), 1651 states have internal predecessors, (2174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:22:50,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2174 transitions. [2021-11-02 14:22:50,705 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2174 transitions. Word has length 39 [2021-11-02 14:22:50,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:22:50,705 INFO L470 AbstractCegarLoop]: Abstraction has 1652 states and 2174 transitions. [2021-11-02 14:22:50,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:22:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2174 transitions. [2021-11-02 14:22:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-02 14:22:50,708 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:22:50,708 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:22:50,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-02 14:22:50,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 14:22:50,927 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:22:50,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:22:50,928 INFO L85 PathProgramCache]: Analyzing trace with hash 454604126, now seen corresponding path program 2 times [2021-11-02 14:22:50,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 14:22:50,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118585380] [2021-11-02 14:22:50,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 14:22:50,929 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 14:22:50,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 14:22:50,931 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 14:22:50,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-02 14:22:51,610 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-02 14:22:51,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 14:22:51,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-02 14:22:51,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:22:51,790 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-02 14:22:51,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:22:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-02 14:22:51,881 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 14:22:51,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1118585380] [2021-11-02 14:22:51,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1118585380] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 14:22:51,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:22:51,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-02 14:22:51,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439735248] [2021-11-02 14:22:51,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 14:22:51,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 14:22:51,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 14:22:51,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 14:22:51,884 INFO L87 Difference]: Start difference. First operand 1652 states and 2174 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:22:53,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:22:59,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:23:01,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:23:16,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:23:20,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:23:21,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:23:35,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:23:41,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:23:41,323 INFO L93 Difference]: Finished difference Result 5268 states and 6986 transitions. [2021-11-02 14:23:41,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 14:23:41,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-02 14:23:41,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:23:41,338 INFO L225 Difference]: With dead ends: 5268 [2021-11-02 14:23:41,338 INFO L226 Difference]: Without dead ends: 3654 [2021-11-02 14:23:41,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 71.28ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 14:23:41,344 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3737 mSDsluCounter, 5092 mSDsCounter, 0 mSdLazyCounter, 7125 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45299.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3737 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 58.62ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7125 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48901.16ms IncrementalHoareTripleChecker+Time [2021-11-02 14:23:41,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3737 Valid, 0 Invalid, 7129 Unknown, 0 Unchecked, 58.62ms Time], IncrementalHoareTripleChecker [2 Valid, 7125 Invalid, 2 Unknown, 0 Unchecked, 48901.16ms Time] [2021-11-02 14:23:41,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3654 states. [2021-11-02 14:23:41,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3654 to 1555. [2021-11-02 14:23:41,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1552 states have (on average 1.321520618556701) internal successors, (2051), 1554 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:23:41,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2051 transitions. [2021-11-02 14:23:41,431 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2051 transitions. Word has length 55 [2021-11-02 14:23:41,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:23:41,432 INFO L470 AbstractCegarLoop]: Abstraction has 1555 states and 2051 transitions. [2021-11-02 14:23:41,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:23:41,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2051 transitions. [2021-11-02 14:23:41,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-02 14:23:41,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:23:41,434 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:23:41,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-02 14:23:41,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 14:23:41,652 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:23:41,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:23:41,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1517867730, now seen corresponding path program 1 times [2021-11-02 14:23:41,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 14:23:41,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027265663] [2021-11-02 14:23:41,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:23:41,654 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 14:23:41,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 14:23:41,655 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 14:23:41,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-02 14:23:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:23:42,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-02 14:23:42,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:23:43,026 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:23:43,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:23:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:23:44,574 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 14:23:44,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027265663] [2021-11-02 14:23:44,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027265663] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-02 14:23:44,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 14:23:44,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-11-02 14:23:44,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777708764] [2021-11-02 14:23:44,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-02 14:23:44,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 14:23:44,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-02 14:23:44,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2021-11-02 14:23:44,577 INFO L87 Difference]: Start difference. First operand 1555 states and 2051 transitions. Second operand has 32 states, 32 states have (on average 2.6875) internal successors, (86), 32 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:23:46,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:24:07,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:24:18,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:24:47,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:24:49,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:24:55,085 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:25:20,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:25:29,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:25:29,571 INFO L93 Difference]: Finished difference Result 3110 states and 4117 transitions. [2021-11-02 14:25:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-02 14:25:29,571 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.6875) internal successors, (86), 32 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-02 14:25:29,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:25:29,577 INFO L225 Difference]: With dead ends: 3110 [2021-11-02 14:25:29,577 INFO L226 Difference]: Without dead ends: 1587 [2021-11-02 14:25:29,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 3846.08ms TimeCoverageRelationStatistics Valid=734, Invalid=1336, Unknown=0, NotChecked=0, Total=2070 [2021-11-02 14:25:29,580 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 31 mSDsluCounter, 16200 mSDsCounter, 0 mSdLazyCounter, 17791 mSolverCounterSat, 30 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 94258.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 17824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 96.47ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 17791 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102313.75ms IncrementalHoareTripleChecker+Time [2021-11-02 14:25:29,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 0 Invalid, 17824 Unknown, 0 Unchecked, 96.47ms Time], IncrementalHoareTripleChecker [30 Valid, 17791 Invalid, 3 Unknown, 0 Unchecked, 102313.75ms Time] [2021-11-02 14:25:29,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2021-11-02 14:25:29,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1587. [2021-11-02 14:25:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1584 states have (on average 1.3150252525252526) internal successors, (2083), 1586 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:25:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2083 transitions. [2021-11-02 14:25:29,623 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2083 transitions. Word has length 56 [2021-11-02 14:25:29,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:25:29,624 INFO L470 AbstractCegarLoop]: Abstraction has 1587 states and 2083 transitions. [2021-11-02 14:25:29,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.6875) internal successors, (86), 32 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:25:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2083 transitions. [2021-11-02 14:25:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-02 14:25:29,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:25:29,626 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:25:29,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-02 14:25:29,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 14:25:29,847 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:25:29,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:25:29,848 INFO L85 PathProgramCache]: Analyzing trace with hash 831087378, now seen corresponding path program 2 times [2021-11-02 14:25:29,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 14:25:29,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132378715] [2021-11-02 14:25:29,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 14:25:29,849 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 14:25:29,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 14:25:29,850 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 14:25:29,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-02 14:25:30,434 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-02 14:25:30,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 14:25:30,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-02 14:25:30,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:25:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-11-02 14:25:30,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:25:30,828 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-11-02 14:25:30,828 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 14:25:30,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132378715] [2021-11-02 14:25:30,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132378715] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 14:25:30,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:25:30,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-02 14:25:30,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731459101] [2021-11-02 14:25:30,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-02 14:25:30,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 14:25:30,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 14:25:30,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-02 14:25:30,829 INFO L87 Difference]: Start difference. First operand 1587 states and 2083 transitions. Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:25:32,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:25:42,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:25:51,866 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:26:09,864 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:26:16,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:26:22,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:26:22,876 INFO L93 Difference]: Finished difference Result 3107 states and 4099 transitions. [2021-11-02 14:26:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 14:26:22,876 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-11-02 14:26:22,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:26:22,883 INFO L225 Difference]: With dead ends: 3107 [2021-11-02 14:26:22,883 INFO L226 Difference]: Without dead ends: 2291 [2021-11-02 14:26:22,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 125.34ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-02 14:26:22,886 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3196 mSDsluCounter, 5718 mSDsCounter, 0 mSdLazyCounter, 7760 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48174.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3196 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.22ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7760 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51657.93ms IncrementalHoareTripleChecker+Time [2021-11-02 14:26:22,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3196 Valid, 0 Invalid, 7763 Unknown, 0 Unchecked, 44.22ms Time], IncrementalHoareTripleChecker [0 Valid, 7760 Invalid, 3 Unknown, 0 Unchecked, 51657.93ms Time] [2021-11-02 14:26:22,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2021-11-02 14:26:22,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 1587. [2021-11-02 14:26:22,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1584 states have (on average 1.3143939393939394) internal successors, (2082), 1586 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:26:22,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2082 transitions. [2021-11-02 14:26:22,936 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2082 transitions. Word has length 88 [2021-11-02 14:26:22,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:26:22,936 INFO L470 AbstractCegarLoop]: Abstraction has 1587 states and 2082 transitions. [2021-11-02 14:26:22,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:26:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2082 transitions. [2021-11-02 14:26:22,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-02 14:26:22,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:26:22,938 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:26:22,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-02 14:26:23,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 14:26:23,152 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:26:23,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:26:23,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1088850692, now seen corresponding path program 1 times [2021-11-02 14:26:23,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 14:26:23,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680548937] [2021-11-02 14:26:23,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:26:23,153 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 14:26:23,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 14:26:23,155 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 14:26:23,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-02 14:26:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:26:23,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-02 14:26:23,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:26:26,110 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:26:26,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:26:31,101 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:26:31,101 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 14:26:31,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680548937] [2021-11-02 14:26:31,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680548937] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-02 14:26:31,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 14:26:31,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2021-11-02 14:26:31,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926653606] [2021-11-02 14:26:31,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2021-11-02 14:26:31,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 14:26:31,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-11-02 14:26:31,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=651, Invalid=3381, Unknown=0, NotChecked=0, Total=4032 [2021-11-02 14:26:31,105 INFO L87 Difference]: Start difference. First operand 1587 states and 2082 transitions. Second operand has 64 states, 64 states have (on average 2.359375) internal successors, (151), 64 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:26:33,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:23,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:25,613 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:28,947 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:33,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:36,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:38,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:40,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:42,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:44,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:46,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:48,724 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:50,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:52,712 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:54,742 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:55,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:57,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:27:59,997 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:28:03,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:28:05,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:28:08,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:28:10,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:28:12,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:28:14,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:28:16,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:28:17,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:28:49,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:28:53,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:28:59,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:01,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:02,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:06,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:08,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:10,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:12,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:29:14,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:04,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:06,096 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:09,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:25,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:28,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:30:29,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:26,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:50,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:31:50,197 INFO L93 Difference]: Finished difference Result 3114 states and 4105 transitions. [2021-11-02 14:31:50,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-02 14:31:50,198 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 2.359375) internal successors, (151), 64 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-11-02 14:31:50,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:31:50,203 INFO L225 Difference]: With dead ends: 3114 [2021-11-02 14:31:50,203 INFO L226 Difference]: Without dead ends: 1591 [2021-11-02 14:31:50,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 6391.33ms TimeCoverageRelationStatistics Valid=651, Invalid=3381, Unknown=0, NotChecked=0, Total=4032 [2021-11-02 14:31:50,206 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 39997 mSDsCounter, 0 mSdLazyCounter, 43150 mSolverCounterSat, 32 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 295851.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 43209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 287.27ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 43150 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 317812.09ms IncrementalHoareTripleChecker+Time [2021-11-02 14:31:50,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 43209 Unknown, 0 Unchecked, 287.27ms Time], IncrementalHoareTripleChecker [32 Valid, 43150 Invalid, 27 Unknown, 0 Unchecked, 317812.09ms Time] [2021-11-02 14:31:50,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2021-11-02 14:31:50,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1591. [2021-11-02 14:31:50,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1588 states have (on average 1.31360201511335) internal successors, (2086), 1590 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:31:50,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2086 transitions. [2021-11-02 14:31:50,251 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2086 transitions. Word has length 89 [2021-11-02 14:31:50,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:31:50,251 INFO L470 AbstractCegarLoop]: Abstraction has 1591 states and 2086 transitions. [2021-11-02 14:31:50,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 2.359375) internal successors, (151), 64 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:31:50,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2086 transitions. [2021-11-02 14:31:50,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-02 14:31:50,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:31:50,253 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:31:50,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-02 14:31:50,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 14:31:50,468 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:31:50,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:31:50,468 INFO L85 PathProgramCache]: Analyzing trace with hash -2060768260, now seen corresponding path program 2 times [2021-11-02 14:31:50,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 14:31:50,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694128032] [2021-11-02 14:31:50,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 14:31:50,469 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 14:31:50,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 14:31:50,470 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 14:31:50,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-02 14:31:51,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-02 14:31:51,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 14:31:51,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-02 14:31:51,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 14:31:51,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-11-02 14:31:51,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 14:31:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-11-02 14:31:52,281 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 14:31:52,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694128032] [2021-11-02 14:31:52,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694128032] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 14:31:52,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:31:52,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-02 14:31:52,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077757350] [2021-11-02 14:31:52,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 14:31:52,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 14:31:52,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 14:31:52,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-02 14:31:52,282 INFO L87 Difference]: Start difference. First operand 1591 states and 2086 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:31:54,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:31:58,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:00,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15